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MINOR: [Dev] Add js8544 as collaborator (#36764)



### Rationale for this change

Add @ js8544 as github collaborator

### What changes are included in this PR?

Add in `.asf.yaml`

### Are these changes tested?

no

### Are there any user-facing changes?

no

Lead-authored-by: mwish <maplewish117@gmail.com>
Co-authored-by: Sutou Kouhei <kou@cozmixng.org>
Signed-off-by: Sutou Kouhei <kou@clear-code.com>